| Kingdom | Phylum | Class | Order | Family |
|---|---|---|---|---|
| ANIMALIA | CHORDATA | ACTINOPTERYGII | CYPRINIFORMES | BALITORIDAE |
| Scientific Name: | Yunnanilus discoloris |
| Species Authority: | Zhou & He, 1989 |
| Red List Category & Criteria: | Critically Endangered B1ab(iii)+2ab(iii) ver 3.1 |
| Year Assessed: | 2008 |
| Assessor/s: | Chen, X.-Y. & Jiang, Y.-E. |
| Reviewer/s: | Kullander, F. (Freshwater Fish Red List Authority) & Smith, K. (IUCN Freshwater Biodiversity Assessment Unit) |
|
Justification: Y. discoloris only occurs in one spring of Lake Dianchi, with extent of occurrence and area of occupancy both less than 10 km². The spring is not well protected and it is threatened by introduced species that compete and alter the habitat of the species (including trout and grass carp). |
|
| Range Description: | Only ever known from one tributary spring of Lake Dianchi. |
| Countries: |
Native:
China (Yunnan)
|
| Population: | Population size is small for restricted distribution. |
| Population Trend: |
Decreasing
|
| Habitat and Ecology: | In clear spring water. The bottom is sand and some stones with Ceratoph demersum, Spirogyra spp. and some other macrophytes on the ground. The colour pattern between the mature male and female is very distinct. |
| Systems: | Freshwater |
| Major Threat(s): | Current threats at the springs are introduced species and modification of spring structure. |
| Conservation Actions: | The spring is not protected. |
| Citation: | Chen, X.-Y. & Jiang, Y.-E. 2008. Yunnanilus discoloris. In: IUCN 2011. IUCN Red List of Threatened Species. Version 2011.2. <www.iucnredlist.org>. Downloaded on 08 February 2012. |
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